Change async html loading method (maybe 3.0.6)

even before the 3.0.5 release I would like your input on this.
As you know "back" and "forward" is not possible within ISPConfig. "There's an app for this" is not right here but there seams to be a way.

Look at Facebook. You see that most content is loaded by ajax requests and changes the url in the browser window. It allows the user to use "back" and "forward".
It would be a major change to the mechanics of the frontend but I think it might be a good point for the next major release.

Just wanted to start the discussion here before clogging up the bugtracker feature requests